package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.annotation.AutoFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;
import java.util.Map;

@Mapper
public interface DishMapper {

    /**
     * 查询分类id为id菜品的数量
     *
     * @param id
     * @return
     */
    @Select("select count(id) from dish where category_id=#{id}")
    Integer countByCategoryId(Long id);

    /**
     * 插入菜品注释
     * @param dish
     */
    @AutoFill(OperationType.INSERT)
    void insert(Dish dish);

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    Page<DishVO> pageQuery(DishPageQueryDTO dishPageQueryDTO);

    /**
     * 根据主键查询菜品
     *
     * @param id
     * @return
     */
    @Select("select * from dish where id=#{id}")
    Dish getById(Long id);

    @Delete("delete from dish where id=#{id}")
    void deleteById(Long id);//单个删除被批量删除所覆盖了

    void deleteByIds(List<Long> ids);

    @AutoFill(OperationType.UPDATE)
    void update(Dish dish);

    /**
     * 根据id查找菜品信息
     * @param
     * @return
     */



    List<Dish> list(Dish dish);




    Dish selectById(Long id);

    /**
     * 根据套餐id查询菜品
     * @param
     * @return
     */
    @Select("select a.* from dish a " +
            "left join setmeal_dish b on a.id = b.dish_id " +
            "where b.setmeal_id = #{setmealId}")
    List<Dish> getBySetmealId(Long id);

    @Mapper

        /**
         * 根据条件统计菜品数量
         * @param map
         * @return
         */
        Integer countByMap(Map map);

}
